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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "sql/initialization.h"
#include "base/bind.h"
#include "base/metrics/histogram_macros.h"
#include "base/no_destructor.h"
#include "base/numerics/safe_conversions.h"
#include "base/threading/sequenced_task_runner_handle.h"
#include "build/build_config.h"
#include "third_party/sqlite/sqlite3.h"
namespace sql {
namespace {
#if !defined(OS_IOS)
void RecordSqliteMemory10Min() {
const int32_t used =
base::saturated_cast<int32_t>(sqlite3_memory_used() / 1024);
UMA_HISTOGRAM_COUNTS_1M("Sqlite.MemoryKB.TenMinutes", used);
}
void RecordSqliteMemoryHour() {
const int32_t used =
base::saturated_cast<int32_t>(sqlite3_memory_used() / 1024);
UMA_HISTOGRAM_COUNTS_1M("Sqlite.MemoryKB.OneHour", used);
}
void RecordSqliteMemoryDay() {
const int32_t used =
base::saturated_cast<int32_t>(sqlite3_memory_used() / 1024);
UMA_HISTOGRAM_COUNTS_1M("Sqlite.MemoryKB.OneDay", used);
}
void RecordSqliteMemoryWeek() {
const int32_t used =
base::saturated_cast<int32_t>(sqlite3_memory_used() / 1024);
UMA_HISTOGRAM_COUNTS_1M("Sqlite.MemoryKB.OneWeek", used);
}
#endif // !defined(OS_IOS)
} // anonymous namespace
void EnsureSqliteInitialized() {
// sqlite3_initialize() uses double-checked locking and thus can have
// data races.
static base::NoDestructor<base::Lock> sqlite_init_lock;
base::AutoLock auto_lock(*sqlite_init_lock);
static bool first_call = true;
if (first_call) {
sqlite3_initialize();
#if !defined(OS_IOS)
// Schedule callback to record memory footprint histograms at 10m, 1h, and
// 1d. There may not be a registered task runner in tests.
// TODO(crbug.com/861889): Disable very long critical tasks on iOS until
// 861889 is fixed.
if (base::SequencedTaskRunnerHandle::IsSet()) {
base::SequencedTaskRunnerHandle::Get()->PostDelayedTask(
FROM_HERE, base::BindOnce(&RecordSqliteMemory10Min),
base::TimeDelta::FromMinutes(10));
base::SequencedTaskRunnerHandle::Get()->PostDelayedTask(
FROM_HERE, base::BindOnce(&RecordSqliteMemoryHour),
base::TimeDelta::FromHours(1));
base::SequencedTaskRunnerHandle::Get()->PostDelayedTask(
FROM_HERE, base::BindOnce(&RecordSqliteMemoryDay),
base::TimeDelta::FromDays(1));
base::SequencedTaskRunnerHandle::Get()->PostDelayedTask(
FROM_HERE, base::BindOnce(&RecordSqliteMemoryWeek),
base::TimeDelta::FromDays(7));
}
#endif // !defined(OS_IOS)
first_call = false;
}
}
} // namespace sql
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